linux-kernel - [PATCH v4 08/23] ASoC: soc-core: Fix component name

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Date:   Sat, 27 Jun 2020 10:23:30 +0530
From:   Sameer Pujar <spujar@...dia.com>
To:     <broonie@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>,
        <kuninori.morimoto.gx@...esas.com>, <robh+dt@...nel.org>,
        <lgirdwood@...il.com>
CC:     <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <digetx@...il.com>, <alsa-devel@...a-project.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sharadg@...dia.com>, <mkumard@...dia.com>,
        <viswanathl@...dia.com>, <rlokhande@...dia.com>,
        <dramesh@...dia.com>, <atalambedu@...dia.com>,
        <nwartikar@...dia.com>, <swarren@...dia.com>,
        <nicoleotsuka@...il.com>, Sameer Pujar <spujar@...dia.com>
Subject: [PATCH v4 08/23] ASoC: soc-core: Fix component name_prefix parsing

The "prefix" can be defined in DAI link node or it can be specified as
part of the component node itself. Currently "sound-name-prefix" defined
in a component is not taking effect. Actually the property is not getting
parsed. It can be fixed by parsing "sound-name-prefix" property whenever
"prefix" is missing in DAI link Codec node.

Signed-off-by: Sameer Pujar <spujar@...dia.com>
---
 sound/soc/soc-core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index adedadc..8faca60 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1111,8 +1111,10 @@ static void soc_set_name_prefix(struct snd_soc_card *card,
 		struct snd_soc_codec_conf *map = &card->codec_conf[i];
 
 		if (snd_soc_is_matching_component(&map->dlc, component)) {
-			component->name_prefix = map->name_prefix;
-			return;
+			if (map->name_prefix) {
+				component->name_prefix = map->name_prefix;
+				return;
+			}
 		}
 	}
 
-- 
2.7.4